Home / 5,745.11-8,618.89-1,997.00

Finding the Fourth Proportional to 5,745.11, 8,618.89 and 1,997.00

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Solution

The fourth proportional to 5,745.11, 8,618.89 and 1,997.00 is: 2,995.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,745.11 : 8,618.89 = 1,997.00 : x
  2. Step 2: Convert to fraction form
    5,745.11/8,618.89 = 1,997.00/x
  3. Step 3: Cross multiply
    5,745.11x = 8,618.89 × 1,997.00
  4. Step 4: Simplify right side
    5,745.11x = 17,211,959.79
  5. Step 5: Solve for x
    x = 17,211,959.79/5,745.11
  6. Step 6: Final answer
    x = 2,995.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.